Carlos Lake Dam is an earth dam located in Grimes County, Texas, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 925 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Carlos Lake Dam
The primary purpose of Carlos Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Terry Maxwell (private). It impounds the Big Branch.
The dam stands 25 feet tall and stretches 925 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 540 acre-feet. Completed in 1930, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Texas |
| County | Grimes |
| River/Stream | Big Branch |
| Coordinates | 30.60603, -96.07965 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 925 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 540 acre-ft |
| Max Storage | 540 acre-ft |
| Normal Storage | 126 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Terry Maxwell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03068 |
| Federal ID | TX03068 |
| More Info | State Dam Safety Program |